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Home Physics Cryogenic Technologies for Optics, Lasers, and PEM Noise Reduction

Cryogenic Technologies for Optics, Lasers, and PEM Noise Reduction

Description

Cryogenic Technologies Laboratory (CTL) is the design, research and production structure with an experience in manufacturing of cryogenic devices dating back to 1947.

CTL Cryosystems are famous for their reliability, good performance and efficiency in use of cryo-agents. CTL Cryosystems have been awarded with Golden medal and Diploma of Leipzig international exhibition - fair ofl997 year.

CTL Cryosystems are in wide use in different scientific and research centers in many countries including Germany, Holland, Switzerland, Czhechia, Slovakia, Poland,USA, Canada, Israel, France, Bulgaria, Russia, Estonia, Latvia, Lithuania, Azerbaijan, Armenia, Kasakhstan, etc.

Geography of CTL Systems deliveries to Germany.

  • Munich (Technical University, physical department),
  • Regensburg University (physical department),
  • Marburg (Philipps-University, physical department),
  • Berlin (Humboldt University),
  • Muel-heim on Ruhr (Max Planck Institute of Radio-chemistry).

Types of Cryostats produced


Autonomous and Flow gas type cryostats.

Primary Product Line

Unified Thermo REgulated Cryogenic Systems (UTRECS)

More than 250 modifications for various types of measurement designed on the base of 4 main models.

UTRECS is intended for the manual and/or automated smart control and high-precision stabilization of temperature of an object under study or of cryotechnical instrument within the range (1,4-4,2-350 K or 77-80-350 K) in the flow of cryoagent.

Advantages

  • Energy-saving with a practically complete use of cryoagent (helium, nitrogen);
  • Guarantee whole working day with required conditions with little use of cryoagent;
  • Wide line of modification for every need.

Types of Executable Measurements

  • Optical and photoelectric measurements in visible, UV and IR ranges ( ultimate spectral range 0,23-1000 u);
  • Electrophysical measurements;
  • X-ray measurements;
  • The measurements of the radiation resistance of materials;
  • The measurements of mechanical strength of materials;
  • Microwave spectroscopy measurements;
  • Magnetic measurements in the field of external magnet;
  • Magnetic measurements with the built-in superconducting solenoid;
  • Electronic and optical microscopy measurements.

CTL NEW PRODUCTS

PHOTOELECTRON MULTIPLIERS (FEM)

PHOTOELECTRON MULTILIERS

The whole working day reduced noise is ensured.

Small-sized Device for Efficient Cooling of PEM to temperatures close to liquid nitrogen. The device allows to cool the different types of PEM. It is easily mounted on the exit slit of a monochromator.

Advantages:

  • Significant Reduction of Thermal Noise level: 80 times*
  • Frugal Consumption: 0.5 liters of cryo-agent provides 4 hours of constant temperature and noise reduction**

* Indicated noise reduction reached on monochromator manufactured by LOMO.

** For a complete cooling of mini-cryostat it is sufficient 0,5 liters of liquid nitrogen, which is enough for 4 hours to maintain specified temperature; From 100 K to 220 K through about 8 next hours; Achievement of the room temperature reached after 12 hours of pouring liquid nitrogen, that is throughout.

OPTICAL UNI-CRYOSTAT A287

OPTICAL UNI-CRYOSTAT A287

The helium laboratory research cryostat of autonomous type A-287 is intended for deriving necessary temperature in a range 8-300K on a thermoregulating substrate with a sample understudy, placed in vacuum.

  • Control temperature range...................................8 - 300K
  • Cryoagents...................................liquid helium, nitrogen

Consumption of Cryoagents:

  • Liquid helium in an operation mode keeping T of a sample at 10 K......0,1 L/hr
  • Liquid nitrogen in an operation mode keepingT of a sample at 80 K.....0,2 L/hr
  • Volume of liquid nitrogen can..........................................................1000 cm3
  • Volume of liquid helium can............................................................1300 cm3
  • Type of the used sensor.................................................................Thermodiode
  • Sizes of a substrate.......................................................................Ø15 x 1,5 mm
  • Light diameter of a substrate...........................................................Ø10 mm
  • The overall dimensions of the cryostat..............................................590 x 313 x 160 mm
  • The weight of the cryostat...............................................................8 kg

FLOW GAS CRYOSTAT C40

FLOW GAS CRYOSTAT C40

Thermo regulating cryostat systems for optical microscope on a base of Flow gas cryostat C40 are intended for regulation and stabilization of temperature of objects understudy in optical microscopes in a range of temperatures 40-1000.

Main Area of Application: Researche of domains dynamics in ferroelectrics by methods of optical and photoacoustic microscopy.

  • Control temperature range....................................................40 - 1000 K
  • Stability of temperature maintained in a specific point.............± 0.3 K
  • Discretization of the setted up temperature............................1K
  • Cryoagents in a range:
    • helium.........................................................................40 - 400 K
    • nitrogen.......................................................................77 - 400 K
    • without cryoagents.......................................................400 - 1000 K
  • Types of the applied temperature sensor..............................Thermocouple
  • Range of adjustable voltage on the heater.............................0 - 40 V
  • Resistance of the heater....................................................14 ± 0,5 Ohm

Overall Dimensions of the cryostat:

  • Height..............................................................................70 mm
  • With the handle of a turn of shutters...................................100 mm
  • Body diameter of the cryostat............................................150 mm
  • Weight of the cryostat......................................................10 kg

Contact Details

Technology Transfer Office
Organization: Institute of Physics
Adress: 46, Nauky Avenue, 03680, Kyiv, Ukraine
(+38 044) 525 9841, Fax: (+38 044)525 1589
This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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